linux-kernel - Re: [PATCH V2 0/6] perf intel-pt: Improve the data displayed when using address filters

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Message-ID: <20180920141330.GE19861@kernel.org>
Date:   Thu, 20 Sep 2018 11:13:30 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Adrian Hunter <adrian.hunter@...el.com>
Cc:     Jiri Olsa <jolsa@...hat.com>, Andi Kleen <ak@...ux.intel.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2 0/6] perf intel-pt: Improve the data displayed when
 using address filters

Em Thu, Sep 20, 2018 at 04:00:42PM +0300, Adrian Hunter escreveu:
> Hi
> 
> Here is V2 of some Intel PT patches to improve the data displayed when using
> address filters.
> 
> Previously, the decoder would indicate begin / end by a branch from / to
> zero. That hides useful information, in particular when a trace ends with a
> call. That happens when using address filters, for example:
> 
> $ perf record -e intel_pt/cyc,mtc_period=0,noretcomp/u --filter='filter main @ /bin/uname ' uname
> Linux
> [ perf record: Woken up 1 times to write data ]
> [ perf record: Captured and wrote 0.031 MB perf.data ]

Thanks, applied.

- Arnaldo